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<nav class="navbar navbar-expand-lg bg-body-tertiary p-0" style="height: 90px;">
    <div class="container-fluid">
        <a class="navbar-brand" href="index2.html">
            <img src="img/icon-logo.png" alt="">
        </a>
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse"
            data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false"
            aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
                <li class="nav-item">
                    <a class="nav-link active" aria-current="page" href="index2.html">首页</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="index4.html">平台服务</a>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link" href="index5.html">公告中心</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="index6.html">机构专区</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="index7.html">会员专区</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="index8.html">关于我们</a>
                </li>
            </ul>
            <form class="d-flex" role="search">
                <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
                <button class="btn btn-outline-success" type="submit">Search</button>
                <button class="btn btn-outline-success" type="submit">成为会员</button>
                <button class="btn btn-outline-success" type="submit">登录</button>
            </form>
        </div>
    </div>
</nav>
<!-- 导航栏结束 -->